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BOSTON MARATHON 2023

Stephen Lee

Bib: 30929•M

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:03
Rank: #20572
Start → 5K
28:03 | 9:02/mi
10K· 6.21 mi
55:49
Rank: #20576 (-4)
5K → 10K
27:46 | 8:56/mi
15K· 9.32 mi
1:23:46
Rank: #20507 (+69)
10K → 15K
27:57 | 9:00/mi
20K· 12.43 mi
1:52:27
Rank: #20573 (-66)
15K → 20K
28:41 | 9:14/mi
Half· 13.11 mi
1:58:29
Rank: #20527 (+46)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:20:18
Rank: #20279 (+248)
Half → 25K
21:49 | 9:00/mi
30K· 18.64 mi
2:49:04
Rank: #19917 (+362)
25K → 30K
28:46 | 9:16/mi
20M
3:01:42
Rank: #19743 (+174)
30K → 20M
12:38 | 9:18/mi
21M
3:11:22
Rank: #19553 (+190)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:17:57
Rank: #19472 (+81)
21M → 35K
6:35 | 8:48/mi
23M
3:29:20
Rank: #19308 (+164)
35K → 23M
11:23 | 9:05/mi
24M
3:38:09
Rank: #19177 (+131)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:46:09
Rank: #19131 (+46)
24M → 40K
8:00 | 9:21/mi
25.2M
3:49:29
Rank: #19090 (+41)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:58:25
Rank: #19021 (+69)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:29
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time1:59:56
Pace9:09 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4128:039:0228:03
9:02
-
10K
6.21 mi12:14:2755:498:5927:46
8:56
-0:06
15K
9.32 mi12:42:241:23:468:5927:57
9:00
+0:04
20K
12.43 mi13:11:051:52:279:0328:41
9:14
+0:14
Half
13.11 mi13:17:071:58:299:026:02
8:51
-0:23
25K
15.53 mi13:38:562:20:189:0221:49
9:00
+0:09
30K
18.64 mi14:07:422:49:049:0428:46
9:16
+0:16
20M
20.00 mi14:20:203:01:429:0512:38
9:18
+0:02
21M
21.00 mi14:30:003:11:229:079:40
9:40
+0:22
35K
21.75 mi14:36:353:17:579:066:35
8:48
-0:52
23M
23.00 mi14:47:583:29:209:0611:23
9:05
+0:17
24M
24.00 mi14:56:473:38:099:058:49
8:49
-0:16
40K
24.85 mi15:04:473:46:099:068:00
9:21
+0:32
25.2M
25.20 mi15:08:073:49:299:063:20
9:40
+0:19
Finish
26.22 mi15:17:033:58:259:068:56
8:46
-0:54

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

8:46 /mi

Average Pace

9:06 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:45:25

95% of race

Time at Steady Pace

13:00

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:46:4128:039:0228:03
9:02
#20572
10K
6.21 mi12:14:2755:498:5927:46
8:56
#20576
15K
9.32 mi12:42:241:23:468:5927:57
9:00
#20507
20K
12.43 mi13:11:051:52:279:0328:41
9:14
#20573
Half
13.11 mi13:17:071:58:299:026:02
8:51
#20527
25K
15.53 mi13:38:562:20:189:0221:49
9:00
#20279
30K
18.64 mi14:07:422:49:049:0428:46
9:16
#19917
20M
20.00 mi14:20:203:01:429:0512:38
9:18
#19743
21M
21.00 mi14:30:003:11:229:079:40
9:40
#19553
35K
21.75 mi14:36:353:17:579:066:35
8:48
#19472
23M
23.00 mi14:47:583:29:209:0611:23
9:05
#19308
24M
24.00 mi14:56:473:38:099:058:49
8:49
#19177
40K
24.85 mi15:04:473:46:099:068:00
9:21
#19131
25.2M
25.20 mi15:08:073:49:299:063:20
9:40
#19090
Finish
26.22 mi15:17:033:58:259:068:56
8:46
#19021
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20572123951239520482(Top 77%)12514(Top 82%)12514(Top 880%)
10K6.21 mi3.10 mi20576-412478-8312478-8320619(Top 77%)12549(Top 83%)12549(Top 882%)
15K9.32 mi3.11 mi20507+6912468+1012468+1020482(Top 77%)12514(Top 82%)12514(Top 880%)
20K12.43 mi3.11 mi20573-6612515-4712515-4720700(Top 78%)12618(Top 83%)12618(Top 887%)
Half13.11 mi0.68 mi20527+4612501+1412501+1419682(Top 74%)12167(Top 80%)12167(Top 856%)
25K15.53 mi2.42 mi20279+24812397+10412397+10418936(Top 71%)11823(Top 78%)11823(Top 831%)
30K18.64 mi3.11 mi19917+36212211+18612211+18618437(Top 69%)11535(Top 76%)11535(Top 811%)
20M20.00 mi1.36 mi19743+17412138+7312138+7318003(Top 68%)11238(Top 74%)11238(Top 790%)
21M21.00 mi1.00 mi19553+19012045+9312045+9316703(Top 63%)10673(Top 70%)10673(Top 751%)
35K21.75 mi0.75 mi19472+8112004+4112004+4116927(Top 64%)10676(Top 70%)10676(Top 751%)
23M23.00 mi1.25 mi19308+16411929+7511929+7516493(Top 62%)10459(Top 69%)10459(Top 736%)
24M24.00 mi1.00 mi19177+13111865+6411865+6416290(Top 61%)10314(Top 68%)10314(Top 725%)
40K24.85 mi0.85 mi19131+4611836+2911836+2917770(Top 67%)10929(Top 72%)10929(Top 769%)
25.2M25.20 mi0.35 mi19090+4111815+2111815+2115942(Top 60%)10106(Top 67%)10106(Top 711%)
Finish26.22 mi1.02 mi19021+6911776+3911776+3916839(Top 63%)10540(Top 69%)10540(Top 741%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20482

Males

12514

M55-59

12514

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20619

Males

12549

M55-59

12549

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20482

Males

12514

M55-59

12514

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20700

Males

12618

M55-59

12618

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19682

Males

12167

M55-59

12167

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18936

Males

11823

M55-59

11823

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18437

Males

11535

M55-59

11535

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18003

Males

11238

M55-59

11238

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16703

Males

10673

M55-59

10673

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16927

Males

10676

M55-59

10676

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16493

Males

10459

M55-59

10459

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16290

Males

10314

M55-59

10314

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17770

Males

10929

M55-59

10929

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15942

Males

10106

M55-59

10106

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16839

Males

10540

M55-59

10540

Passing Analysis

Category:
Athletes Passed
2347
Passed By
796
Net Change
+1551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20572
5K → 10K304308-4#20572#20576
10K → 15K209140+69#20576#20507
15K → 20K138204-66#20507#20573
20K → Half5812+46#20573#20527
Half → 25K26517+248#20527#20279
25K → 30K38018+362#20279#19917
30K → 20M1817+174#19917#19743
20M → 21M1955+190#19743#19553
21M → 35K9312+81#19553#19472
35K → 23M1739+164#19472#19308
23M → 24M1409+131#19308#19177
24M → 40K7933+46#19177#19131
40K → 25.2M454+41#19131#19090
25.2M → Finish8718+69#19090#19021
TOTALS2347796+1551
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing